The following packages will be automatically REMOVED:
  compiz-aiglx-gnome
The following packages will be REMOVED:
  compiz-aiglx-gnome
0 packages upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
Need to get 0B of archives. After unpacking 217kB will be freed.
Do you want to continue? [Y/n/?] y
Writing extended state information... Done
(Reading database ... 99416 files and directories currently installed.)
Removing compiz-aiglx-gnome ...
Uninstalling gconf schemas...
Resolved address "xml:merged:/etc/gconf/gconf.xml.defaults" to a writable configuration source at position 0
I/O warning : failed to load external entity "/usr/share/gconf/schemas/compiz.schemas"
Failed to open `/usr/share/gconf/schemas/compiz.schemas': No such file or directory
dpkg: error processing compiz-aiglx-gnome (--remove):
 subprocess post-removal script returned error exit status 1
Errors were encountered while processing:
 compiz-aiglx-gnome
E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install.  Trying to recover: